FR851462A - Annonceur téléphonique automatique - Google Patents

Annonceur téléphonique automatique

Info

Publication number
FR851462A
FR851462A FR851462DA FR851462A FR 851462 A FR851462 A FR 851462A FR 851462D A FR851462D A FR 851462DA FR 851462 A FR851462 A FR 851462A
Authority
FR
France
Prior art keywords
announcer
automatic telephone
telephone
automatic
telephone announcer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DANSK TELEFONALARM AKTIESELSKA
Original Assignee
DANSK TELEFONALARM AKTIESELSKA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DANSK TELEFONALARM AKTIESELSKA filed Critical DANSK TELEFONALARM AKTIESELSKA
Application granted granted Critical
Publication of FR851462A publication Critical patent/FR851462A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
    • H04M11/045—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems using recorded signals, e.g. speech

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR851462D 1939-03-10 1939-03-10 Annonceur téléphonique automatique Expired FR851462A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR851462T 1939-03-10

Publications (1)

Publication Number Publication Date
FR851462A true FR851462A (fr) 1940-01-09

Family

ID=9323469

Family Applications (1)

Application Number Title Priority Date Filing Date
FR851462D Expired FR851462A (fr) 1939-03-10 1939-03-10 Annonceur téléphonique automatique

Country Status (1)

Country Link
FR (1) FR851462A (fr)

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